I had a Danish model of those once, “Jyden” as far as I remember. you operated it by a pedal and then it was just a matter of keeping hands away.
I had to get rid of it. The thing distracted me so much. Every time I was in the workshop I had to try to trim the end of a board or a small piece of wood.
In the end I traded it for a motorized chipper/shredder for the garden.
I did managed to produce some nice picture frames while I had it though.